Compare 31311 vs 31321
| Property | 31311 | 31321 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 32 × 72 × 711 | 313211 |
| Prime factorization | 3 × 3 × 7 × 7 × 71 | 31321 |
| Divisors count | 18 | 2 |
| Divisors | 1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 4473, 10437, 31311 | 1, 31321 |
| Number of properties | 0 | 6 |
| Centered triangular primes | 34th | |
| Primes | 3376th | |
| Pythagorean primes | 1678th | |
| Sexy primes (1st member) | 988th | |
| Sexy prime triplets (1st member) | 253rd | |
| Twin primes (2nd member) | 484th | |
| Roman numberals | ||
| Base 2 | 1111010010011112 | 1111010010110012 |
| Base 3 | 11202212003 | 11202220013 |
| Base 4 | 132210334 | 132211214 |
| Base 5 | 20002215 | 20002415 |
| Base 6 | 4005436 | 4010016 |
| Base 7 | 1602007 | 1602137 |
| Base 8 | 751178 | 751318 |
| Base 9 | 468509 | 468619 |
| Base 10 | 3131110 | 3132110 |
| Base 11 | 2158511 | 2159411 |
| Base 12 | 1615312 | 1616112 |
| Base 13 | 1133713 | 1134413 |
| Base 14 | b5a714 | b5b314 |
| Base 15 | 942615 | 943115 |
| Base 16 | 7a4f16 | 7a5916 |